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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
325		415
326	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
329	fast or be very important.	419	fast or be very important.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
342	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	435	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
345		437
346	my $busy = 1;	438	my $busy = 1;
347	my @res;	439	my @res;
348		440
349	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	443	@res = eval { $job->() };
351	warn $@ if $@;	444	warn $@ if $@;
352	undef $busy;	445	undef $busy;
353	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
354		447
355	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
356	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
357	}	454	}
358		455
359	$time = Event::time - $time;	456	$time = Event::time - $time;
360		457
361	LOG llevError | logBacktrace, "long sync job\n"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		460
364	$tick_start += $time; # do not account sync jobs to server load	461	$tick_start += $time; # do not account sync jobs to server load
365		462
366	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
367	} else {	464	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
390		487
391	$coro	488	$coro
392	}	489	}
393		490
394	sub write_runtime {	491	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		492
397	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
399		497
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	498	=cut
401	utime undef, undef, $fh;	499
		500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
		502
		503	# we seemingly have to make a local copy of the whole thing,
		504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
		506
		507	my @res = Coro::Util::fork_eval {
		508	reset_signals;
		509	&$cb
		510	}, @args;
		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
402	}	542	};
		543	cf::cleanup "db_open(db): $@" if $@;
403		544
404	my $guard = cf::lock_acquire "write_runtime";	545	$db
		546	}
405		547
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	our $DB;
407	or return;
408		549
409	my $value = $cf::RUNTIME + 90 + 10;	550	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	551	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	552	$DB ||= db_table "db";
		553	};
		554	}
412		555
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	556	sub db_get($$) {
414	and return;	557	my $key = "$_[0]/$_[1]";
415		558
416	# always fsync - this file is important	559	cf::sync_job {
417	aio_fsync $fh	560	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		561
420	# touch it again to show we are up-to-date	562	$! ? ()
421	utime undef, undef, $fh;	563	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
432	}	640	}
433		641
434	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
435		643
436	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
456		664
457	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	667	Crossfire TRT).
460		668
461	=over 4	669	=over 4
462		670
463	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
464		672
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
628		836
629	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		841
634	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	843	my $pkg = shift @arg;
636		844
637	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
667	}	875	}
668		876
669	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
670	} else {	878	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	880	}
673		881
674	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
675	}	883	}
676		884
…		…
678	if (ref $_[0]) {	886	if (ref $_[0]) {
679	_object_attach @_;	887	_object_attach @_;
680	} else {	888	} else {
681	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
682	}	890	}
		891	_recalc_want;
683	};	892	};
684		893
685	# all those should be optimised	894	# all those should be optimised
686	sub cf::attachable::detach {	895	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
691	reattach ($obj);	900	reattach ($obj);
692	} else {	901	} else {
693	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
694	}	903	}
		904	_recalc_want;
695	};	905	};
696		906
697	sub cf::attachable::attached {	907	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
699		909
…		…
714	";	924	";
715	die if $@;	925	die if $@;
716	}	926	}
717		927
718	our $override;	928	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		930
721	sub override {	931	sub override {
722	$override = 1;	932	$override = 1;
723	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
724	}	934	}
725		935
726	sub do_invoke {	936	sub do_invoke {
727	my $event = shift;	937	my $event = shift;
728	my $callbacks = shift;	938	my $callbacks = shift;
729		939
730	@invoke_results = ();	940	@INVOKE_RESULTS = ();
731		941
732	local $override;	942	local $override;
733		943
734	for (@$callbacks) {	944	for (@$callbacks) {
735	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
752		962
753	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
754		964
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		968
759	=back	969	=back
760		970
761	=cut	971	=cut
762		972
763	#############################################################################	973	#############################################################################
764	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
765		1017
766	sub reattach {	1018	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1020	my ($obj) = @_;
769		1021
…		…
816	sub object_freezer_save {	1068	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
818		1070
819	sync_job {	1071	sync_job {
820	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
823		1076
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1081	close $fh;
829		1082
830	if (@$objs) {	1083	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1089	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
838	}	1091	}
…		…
846	}	1099	}
847	} else {	1100	} else {
848	aio_unlink $filename;	1101	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
850	}	1103	}
851	}	1104	};
852	}	1105	}
853		1106
854	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
856		1109
…		…
868	or return;	1121	or return;
869		1122
870	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
872	or return;	1125	or return;
		1126
873	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
874	}	1129	}
875		1130
		1131	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
878	return ($data, $av);	1135	($data, $av)
879	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
880		1143
881	#############################################################################	1144	#############################################################################
882	# command handling &c	1145	# command handling &c
883		1146
884	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1161	}
899		1162
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1164
902	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
903		1170
904	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
905	called.	1172	called.
906		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
907	=cut	1185	=cut
908		1186
909	sub register_extcmd {	1187	sub register_extcmd {
910	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
911		1189
912	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
913	}	1197	}
914		1198
915	cf::player->attach (	1199	cf::player->attach (
916	on_command => sub {	1200	on_command => sub {
917	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1210	cf::override;
927	},	1211	},
928	on_extcmd => sub {	1212	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
930		1214
931	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1216
933	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
939	} else {	1232	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1234	}
942		1235
943	cf::override;	1236	cf::override;
944	},	1237	},
945	);	1238	);
946		1239
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
982	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1245	next unless -r $path;
984	eval {	1246
985	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
986	1	1304	}
987	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
988	}	1310	};
989	}	1311	}
990		1312
991	#############################################################################	1313	#############################################################################
992		1314
		1315	=back
		1316
993	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
994		1318
995	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
996		1320
997	=cut	1321	=cut
…		…
1001	use Coro::AIO;	1325	use Coro::AIO;
1002		1326
1003	=head3 cf::player	1327	=head3 cf::player
1004		1328
1005	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1006		1344
1007	=item cf::player::find $login	1345	=item cf::player::find $login
1008		1346
1009	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1010		1348
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1388
1051	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1054	}	1397	}
1055	}	1398	}
1056	}	1399	}
1057		1400
…		…
1067		1410
1068	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1070		1413
1071	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1072	Coro::cede;	1415	cf::cede_to_tick;
1073	}	1416	}
1074		1417
1075	sub new($) {	1418	sub new($) {
1076	my ($login) = @_;	1419	my ($login) = @_;
1077		1420
…		…
1081	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1082		1425
1083	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1084		1427
1085	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1086	}	1439	}
1087		1440
1088	=item $pl->quit_character	1441	=item $pl->quit_character
1089		1442
1090	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1498	or return [];
1146		1499
1147	my @logins;	1500	my @logins;
1148		1501
1149	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1153		1511
1154	utf8::decode $login;	1512	utf8::decode $login;
1155	push @logins, $login;	1513	push @logins, $login;
1156	}	1514	}
1157		1515
…		…
1184	}	1542	}
1185		1543
1186	\@paths	1544	\@paths
1187	}	1545	}
1188		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1189	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1190		1599
1191	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1192		1601
1193	=cut	1602	=cut
1194		1603
1195	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1197		1606
1198	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1608	}
1202		1609
1203	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1204		1611
1205	Sends an ext event to the client.	1612	Sends an ext event to the client.
1206		1613
1207	=cut	1614	=cut
1208		1615
1209	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1211		1618
1212	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1213	}	1620	}
1214		1621
1215	=head3 cf::region	1622	=head3 cf::region
1216		1623
1217	=over 4	1624	=over 4
…		…
1220		1627
1221	package cf::region;	1628	package cf::region;
1222		1629
1223	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1224		1631
1225	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1226		1633
1227	=cut	1634	=cut
1228		1635
1229	sub find_by_path($) {	1636	sub find_by_path($) {
1230	my ($path) = @_;	1637	my ($path) = @_;
1231		1638
1232	my ($match, $specificity);	1639	my ($match, $specificity);
1233		1640
1234	for my $region (list) {	1641	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1238	}	1645	}
1239	}	1646	}
1240		1647
…		…
1304	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1305		1712
1306	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1307	local $self->{path};	1714	local $self->{path};
1308	local $self->{load_path};	1715	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1716
1312	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1313	}	1718	}
1314		1719
1315	sub normalise {	1720	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1363	return $self;	1768	return $self;
1364	}	1769	}
1365	}	1770	}
1366		1771
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1773	()
1369	}	1774	}
1370		1775
1371	sub init {	1776	sub init {
1372	my ($self) = @_;	1777	my ($self) = @_;
…		…
1415		1820
1416	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1418	}	1823	}
1419		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1420	sub unlink_save {	1833	sub unlink_save {
1421	my ($self) = @_;	1834	my ($self) = @_;
1422		1835
1423	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1840
1428	sub load_header_from($) {	1841	sub load_header_from($) {
1429	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1430		1843
1431	utf8::encode $path;	1844	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1437		1853
1438	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1439		1855
1440	1	1856	1
1441	}	1857	}
…		…
1480	$self->load_header_orig	1896	$self->load_header_orig
1481	or return;	1897	or return;
1482	$self->prepare_orig;	1898	$self->prepare_orig;
1483	}	1899	}
1484		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1485	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1905	unless $self->default_region;
1487		1906
1488	1	1907	1
1489	}	1908	}
…		…
1492	sub find {	1911	sub find {
1493	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1494		1913
1495	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1496		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1498		1918
1499	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1501	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1502	or return;	1924	or return;
1503		1925
1504	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1505		1927
1506	$map->load_header	1928	$map->load_header
1507	or return;	1929	or return;
1508		1930
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1512	$map->reset;	1936	$map->reset;
1513	undef $guard;
1514	return find $path;	1937	return find $path;
1515	}	1938	}
1516		1939
1517	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1518	}	1941	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1528		1951
1529	my $path = $self->{path};	1952	my $path = $self->{path};
1530		1953
1531	{	1954	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1533		1956
		1957	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1959
1536	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1537		1961
1538	$self->alloc;	1962	$self->alloc;
1539		1963
1540	$self->pre_load;	1964	$self->pre_load;
1541	Coro::cede;	1965	cf::cede_to_tick;
1542		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1544	or return;	1970	or return;
1545		1971
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1973	if delete $self->{load_original};
1548		1974
1549	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1976	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1979	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1554	}	1983	}
1555	}	1984	}
1556		1985
1557	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1558	# now do the right thing for maps	1989	# now do the right thing for maps
1559	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1992	unless $self->difficulty;
1562	Coro::cede;	1993	cf::cede_to_tick;
1563		1994
1564	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1996	$self->decay_objects;
1566	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1567	$self->update_buttons;	1998	$self->update_buttons;
1568	Coro::cede;	1999	cf::cede_to_tick;
1569	$self->set_darkness_map;	2000	$self->set_darkness_map;
1570	Coro::cede;	2001	cf::cede_to_tick;
1571	$self->activate;	2002	$self->activate;
1572	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1573		2007
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2009	}
1576		2010
1577	$self->post_load;	2011	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1582		2016
1583	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2018	if $self->per_player;
1585		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1586	$self	2023	$self
1587	}	2024	}
1588		2025
1589	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2027	sub load_neighbours {
1591	my ($map) = @_;	2028	my ($map) = @_;
1592		2029
1593	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1594		2031
1595	for (0 .. 3) {	2032	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1597	or next;	2034	or next;
1598	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1599	or next;	2036	or next;
1600	$neigh->load;	2037	$neigh->load;
1601		2038
		2039	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2042	}
1605		2043
1606	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1608	or next;	2047	or next;
1609	$neigh->load;	2048	$neigh->load;
1610	}	2049	}
1611	}	2050	}
1612		2051
…		…
1617	}	2056	}
1618		2057
1619	sub do_load_sync {	2058	sub do_load_sync {
1620	my ($map) = @_;	2059	my ($map) = @_;
1621		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1622	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1623	}	2065	}
1624		2066
1625	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1627		2069
1628	sub find_async {	2070	sub find_async {
1629	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1630		2072
1631	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1632		2074
1633	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2077	}
1636		2078
1637	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1638	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1639	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2086	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2087	$map->load if $v;
		2088	}
1644		2089
1645	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1646	}	2091	}
1647	}	2092	}
1648	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1649	};	2094	};
1650	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2098	}
1654		2099
1655	sub save {	2100	sub save {
1656	my ($self) = @_;	2101	my ($self) = @_;
1657		2102
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2104
1660	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1661		2106
1662	return unless $self->dirty;	2107	return unless $self->dirty;
1663		2108
…		…
1669	return if $self->{deny_save};	2114	return if $self->{deny_save};
1670		2115
1671	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1672		2117
1673	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1675	};	2121	};
1676		2122
1677	if ($uniq) {	2123	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2132	my ($self) = @_;
1687		2133
1688	# save first because save cedes	2134	# save first because save cedes
1689	$self->save;	2135	$self->save;
1690		2136
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2138
1693	return if $self->players;	2139	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2141	return if $self->{deny_save};
1696		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2147	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2148	}
1700		2149
1701	sub reset_at {	2150	sub reset_at {
1702	my ($self) = @_;	2151	my ($self) = @_;
1703		2152
1704	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1707		2155
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2158
…		…
1721	my ($self) = @_;	2169	my ($self) = @_;
1722		2170
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2172
1725	return if $self->players;	2173	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2174
1728	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1729		2176
1730	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1731		2178
1732	# need to save uniques path	2179	# need to save uniques path
1733	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2184	if $uniq;
1738	}	2185	}
1739		2186
1740	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1741		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2191	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2192
1746	$self->unlink_save;	2193	$self->unlink_save;
1747	$self->destroy;	2194	$self->destroy;
1748	}	2195	}
1749		2196
1750	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1751		2198
1752	sub nuke {	2199	sub nuke {
1753	my ($self) = @_;	2200	my ($self) = @_;
1754		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1755	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1756		2206
1757	$self->unlink_save;	2207	$self->unlink_save;
1758		2208
1759	bless $self, "cf::map";	2209	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2214
1765	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1766		2217
1767	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1768	}	2255	}
1769		2256
1770	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1771		2258
1772	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2260	instantiated unique items. May block.
1774		2261
1775	=cut	2262	=cut
1776		2263
1777	sub unique_maps() {	2264	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2265	[
1779	or return;	2266	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2267	utf8::decode $_;
1785	next if /\.pst$/;	2268	/\.map$/
1786	next unless /^$PATH_SEP/o;	2269	? normalise $_
1787		2270	: ()
1788	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2272	]
1790
1791	\@paths
1792	}	2273	}
1793		2274
1794	package cf;	2275	package cf;
1795		2276
1796	=back	2277	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1815	}	2296	}
1816		2297
1817	sub inv_recursive {	2298	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1819	}	2328	}
1820		2329
1821	package cf;	2330	package cf;
1822		2331
1823	=back	2332	=back
…		…
1842		2351
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2353
1845	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1847	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1850	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1851	}	2379	}
1852		2380
1853	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1854		2382
1855	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1903		2431
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2433
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1908		2436
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2438	}
1911		2439
1912	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1914		2444
1915	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1916		2446
1917	unless ($map) {	2447	unless ($map) {
1918	# restore original map position	2448	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1935		2465
1936	$map->load;	2466	$map->load;
1937	$map->load_diag;	2467	$map->load_neighbours;
1938		2468
1939	return unless $self->contr->active;	2469	return unless $self->contr->active;
1940	$self->activate_recursive;	2470	$self->activate_recursive;
1941		2471
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1944	}	2474	}
1945		2475
1946	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2477
1950	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1954	};	2482	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2483
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1981		2487
1982	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2493
1985	$self->enter_link;	2494	$self->enter_link;
1986		2495
1987	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1988	my $map = eval {	2518	my $map = eval {
1989	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1991	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2534	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1996	})->prio (1);	2542	})->prio (1);
1997	}	2543	}
1998		2544
1999	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
2000		2546
…		…
2069	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2071		2617
2072	$self->enter_link;	2618	$self->enter_link;
2073		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2074	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2075	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2628	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2078		2630
2079	1;	2631	1;
…		…
2105		2657
2106	utf8::encode $text;	2658	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2660	}
2109		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
2110	=item $client->ext_event ($type, %msg)	2785	=item $client->ext_msg ($type, @msg)
2111		2786
2112	Sends an exti event to the client.	2787	Sends an ext event to the client.
2113		2788
2114	=cut	2789	=cut
2115		2790
2116	sub cf::client::ext_event($$%) {	2791	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2792	my ($self, $type, @msg) = @_;
2118		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2797	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
2121	}	2818	}
2122		2819
2123	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
2124		2821
2125	Queues a query to the client, calling the given callback with	2822	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2823	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2825
2129	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2827	become reliable at some point in the future.
2131		2828
2132	=cut	2829	=cut
2133		2830
2134	sub cf::client::query {	2831	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2840	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2842
2146	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
2148	}	2847	}
2149		2848
2150	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
2151	on_reply => sub {	2855	on_reply => sub {
2152	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
2153		2857
2154	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
2155	# get handled first	2859	# get handled first
…		…
2167	} else {	2871	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2873	}
2170	}	2874	}
2171	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
2172	);	2902	);
2173		2903
2174	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
2175		2905
2176	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2219		2949
2220	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2221		2951
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2223		2957
2224	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2225		2959
2226	=pod	2960	=pod
2227		2961
2228	The following functions and methods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2229		2963
2230	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2231	cf::object::player player	2968	cf::object::player
2232	cf::player peaceful	2969	player
2233	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2234		2976
2235	=cut	2977	=cut
2236		2978
2237	for (	2979	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2239	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2242	) {	2986	) {
2243	no strict 'refs';	2987	no strict 'refs';
…		…
2314	=back	3058	=back
2315		3059
2316	=cut	3060	=cut
2317		3061
2318	#############################################################################	3062	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3063	# the server's init and main functions
2494		3064
2495	sub load_facedata($) {	3065	sub load_facedata($) {
2496	my ($path) = @_;	3066	my ($path) = @_;
		3067
		3068	# HACK to clear player env face cache, we need some signal framework
		3069	# for this (global event?)
		3070	%ext::player_env::MUSIC_FACE_CACHE = ();
		3071
		3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3073
2498	warn "loading facedata from $path\n";	3074	warn "loading facedata from $path\n";
2499		3075
2500	my $facedata;	3076	my $facedata;
2501	0 < aio_load $path, $facedata	3077	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3080	$facedata = Coro::Storable::thaw $facedata;
2505		3081
2506	$facedata->{version} == 2	3082	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3084
		3085	# patch in the exptable
		3086	$facedata->{resource}{"res/exp_table"} = {
		3087	type => FT_RSRC,
		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3089	};
		3090	cf::cede_to_tick;
		3091
2509	{	3092	{
2510	my $faces = $facedata->{faceinfo};	3093	my $faces = $facedata->{faceinfo};
2511		3094
2512	while (my ($face, $info) = each %$faces) {	3095	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3097	cf::face::set_visibility $idx, $info->{visibility};
		3098	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3101
		3102	cf::cede_to_tick;
2518	}	3103	}
2519		3104
2520	while (my ($face, $info) = each %$faces) {	3105	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3106	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	3107	my $idx = cf::face::find $face
2523	or next;	3108	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3112	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3114	}
2529	Coro::cede;	3115
		3116	cf::cede_to_tick;
2530	}	3117	}
2531	}	3118	}
2532		3119
2533	{	3120	{
2534	my $anims = $facedata->{animinfo};	3121	my $anims = $facedata->{animinfo};
2535		3122
2536	while (my ($anim, $info) = each %$anims) {	3123	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3125	cf::cede_to_tick;
2539	}	3126	}
2540		3127
2541	cf::anim::invalidate_all; # d'oh	3128	cf::anim::invalidate_all; # d'oh
2542	}	3129	}
2543		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
2544	1	3180	1
2545	}	3181	}
2546		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
2547	sub reload_regions {	3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
2548	load_resource_file "$MAPDIR/regions"	3196	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3197	or die "unable to load regions file\n";
		3198
		3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
2550	}	3203	}
2551		3204
2552	sub reload_facedata {	3205	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3206	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3207	or die "unable to load facedata\n";
2555	}	3208	}
2556		3209
2557	sub reload_archetypes {	3210	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3211	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
2560	}	3218	}
2561		3219
2562	sub reload_treasures {	3220	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3221	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3222	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3225	sub reload_resources {
2568	warn "reloading resource files...\n";	3226	warn "reloading resource files...\n";
2569		3227
2570	reload_regions;	3228	reload_regions;
2571	reload_facedata;	3229	reload_facedata;
		3230	#reload_archetypes;#d#
2572	reload_archetypes;	3231	reload_archetypes;
2573	reload_treasures;	3232	reload_treasures;
2574		3233
2575	warn "finished reloading resource files\n";	3234	warn "finished reloading resource files\n";
2576	}	3235	}
2577		3236
2578	sub init {	3237	sub init {
2579	reload_resources;	3238	reload_resources;
2580	}	3239	}
2581		3240
2582	sub cfg_load {	3241	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3243	or return;
2585		3244
2586	local $/;	3245	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
…		…
2603	sub main {	3262	sub main {
2604	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2608	Event::one_event;	3268	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3269	})->prio (Coro::PRIO_MAX);
2610	};	3270	};
2611		3271
2612	cfg_load;	3272	reload_config;
2613	db_init;	3273	db_init;
2614	load_extensions;	3274	load_extensions;
2615		3275
2616	$TICK_WATCHER->start;	3276	$TICK_WATCHER->start;
2617	Event::loop;	3277	Event::loop;
…		…
2633	},	3293	},
2634	);	3294	);
2635	}	3295	}
2636	}	3296	}
2637		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2638	sub emergency_save() {	3336	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2640		3338
2641	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2642		3340
…		…
2646	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3350	$pl->save;
2652	}	3351	}
2653	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2654		3353
2655	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2703		3402
2704	warn "flushing outstanding aio requests";	3403	warn "flushing outstanding aio requests";
2705	for (;;) {	3404	for (;;) {
2706	BDB::flush;	3405	BDB::flush;
2707	IO::AIO::flush;	3406	IO::AIO::flush;
2708	Coro::cede;	3407	Coro::cede_notself;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3408	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";	3409	warn "iterate...";
2711	}	3410	}
2712		3411
2713	++$RELOAD;	3412	++$RELOAD;
…		…
2717	%EXT_CORO = ();	3416	%EXT_CORO = ();
2718		3417
2719	warn "removing commands";	3418	warn "removing commands";
2720	%COMMAND = ();	3419	%COMMAND = ();
2721		3420
2722	warn "removing ext commands";	3421	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2724		3424
2725	warn "unloading/nuking all extensions";	3425	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2728		3428
…		…
2771	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2772	require cf;	3472	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3474
2775	warn "loading config and database again";	3475	warn "loading config and database again";
2776	cf::cfg_load;	3476	cf::reload_config;
2777		3477
2778	warn "loading extensions";	3478	warn "loading extensions";
2779	cf::load_extensions;	3479	cf::load_extensions;
2780		3480
2781	warn "reattaching attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
…		…
2817	register_command "reload" => sub {	3517	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2819		3519
2820	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3521	$who->message ("reloading server.");
		3522	async {
		3523	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3524	reload_perl;
		3525	};
2823	}	3526	}
2824	};	3527	};
2825		3528
2826	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
2827		3530
…		…
2869	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2870		3573
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
2873	Coro::async_pool {	3576	Coro::async_pool {
		3577	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3578	write_runtime
2875	or warn "ERROR: unable to write runtime file: $!";	3579	or warn "ERROR: unable to write runtime file: $!";
2876	};	3580	};
2877	}	3581	}
2878		3582
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3584	$sig->send;
2884	}	3585	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3586	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3587	$sig->send;
…		…
2896		3597
2897	$LOAD = ($NOW - $tick_start) / $TICK;	3598	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3600
2900	_post_tick;	3601	_post_tick;
2901
2902
2903	},	3602	},
2904	);	3603	);
2905		3604
2906	{	3605	{
		3606	BDB::min_parallel 8;
2907	BDB::max_poll_time $TICK * 0.1;	3607	BDB::max_poll_time $TICK * 0.1;
2908	$BDB_POLL_WATCHER = Event->io (	3608	$BDB_POLL_WATCHER = Event->io (
2909	reentrant => 0,	3609	reentrant => 0,
2910	fd => BDB::poll_fileno,	3610	fd => BDB::poll_fileno,
2911	poll => 'r',	3611	poll => 'r',
2912	prio => 0,	3612	prio => 0,
2913	data => WF_AUTOCANCEL,	3613	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,	3614	cb => \&BDB::poll_cb,
2915	);	3615	);
2916	BDB::min_parallel 8;
2917		3616
2918	BDB::set_sync_prepare {	3617	BDB::set_sync_prepare {
2919	my $status;	3618	my $status;
2920	my $current = $Coro::current;	3619	my $current = $Coro::current;
2921	(	3620	(
…		…
2930	)	3629	)
2931	};	3630	};
2932		3631
2933	unless ($DB_ENV) {	3632	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3638
2936	cf::sync_job {	3639	cf::sync_job {
2937	eval {	3640	eval {
2938	BDB::db_env_open	3641	BDB::db_env_open
2939	$DB_ENV,	3642	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3646	0666;
2944		3647
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3649	};
2950		3650
2951	cf::cleanup "db_env_open(db): $@" if $@;	3651	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3652	};
2953	}	3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
2954	}	3685	}
2955		3686
2956	{	3687	{
2957	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2958		3689
…		…
2961	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2962	reentrant => 0,	3693	reentrant => 0,
2963	data => WF_AUTOCANCEL,	3694	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,	3695	fd => IO::AIO::poll_fileno,
2965	poll => 'r',	3696	poll => 'r',
2966	prio => 6,	3697	prio => 0,
2967	cb => \&IO::AIO::poll_cb,	3698	cb => \&IO::AIO::poll_cb,
2968	);	3699	);
2969	}	3700	}
2970		3701
2971	my $_log_backtrace;	3702	my $_log_backtrace;
…		…
2977		3708
2978	# limit the # of concurrent backtraces	3709	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3710	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3711	++$_log_backtrace;
2981	async {	3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
2982	my @bt = fork_call {	3715	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3716	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3719	or die "addr2line: $!";

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